RETRO-VIZ, a method for estimating and explaining the error in regression problems.
RETRO-VIZ is available as a Python package, and can be installed using pip install retroviz. See PyPI.
For example usage of the retroviz package, which can be used to calculate RETRO-scores, have a look at the notebooks in the experiments folder.
The folder viz contains the necessary code to create a VIZ-plot.